CVE-2026-44002

MEDIUM

vm2: Host File Path Disclosure via Stack Trace Information Leak

Title source: cna
STIX 2.1

Description

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, vm2's CallSite wrapper class (intended as a safe wrapper for V8's native CallSite) blocks getThis() and getFunction() to prevent host object leakage, but allows getFileName() to return unsanitized host absolute paths. Any sandboxed code can extract the full directory structure, library paths, and framework versions of the host server. This vulnerability is fixed in 3.11.0.

References (1)

Core 1
Core References

Scores

CVSS v3 5.8
EPSS 0.0004
EPSS Percentile 10.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-209
Status published
Products (3)
npm/vm2 0 - 3.11.0npm
patriksimek/vm2 < 3.11.0
vm2_project/vm2 < 3.11.0
Published May 13, 2026
Tracked Since May 13, 2026